Mandibular Right Second Premolar
(Exam 3 Dental Anatomy) 2025 With
100% Correct Answers
13 to 14 and mandibular first premolars - CORRECT ANSWER✔✔The permanent mandibular
second premolars erupt between 11 to 12 years of age with root completion between ages
_____ to ____, distal to the ______ _____ ______ and thus are the succedaneous replacements
for the primary mandibular second molars.
buccal cusp - CORRECT ANSWER✔✔Unlike mandibular first premolars, the more common
three-cusp type has three cusps, one large ____ ____ composed of the three buccal lobes and
two smaller lingual cusps composed of the two lingual lobes.
lingual cusp - CORRECT ANSWER✔✔Similar to mandibular first premolars, the less common
two-cusp type has a larger buccal cusp and a single smaller ____ ____.
pulp cavity - CORRECT ANSWER✔✔The ____ ___ of the three-cusp type shows three pointed
pulp horns.
occlusal surface - CORRECT ANSWER✔✔The lingual cusp or cusps, depending on the type, are
longer, causing less of the _____ _____ to be seen from the lingual view.
marginal ridge - CORRECT ANSWER✔✔From the proximal view, the mesial ____ _____ is
perpendicular or 90 degrees to the long axis of the tooth and there is no mesiolingual grooves
present.
central groove - CORRECT ANSWER✔✔On the three-cusp type, the cusps are separated by two
developmental grooves, a V-shaped ____ ____, and linear lingual groove.
(Exam 3 Dental Anatomy) 2025 With
100% Correct Answers
13 to 14 and mandibular first premolars - CORRECT ANSWER✔✔The permanent mandibular
second premolars erupt between 11 to 12 years of age with root completion between ages
_____ to ____, distal to the ______ _____ ______ and thus are the succedaneous replacements
for the primary mandibular second molars.
buccal cusp - CORRECT ANSWER✔✔Unlike mandibular first premolars, the more common
three-cusp type has three cusps, one large ____ ____ composed of the three buccal lobes and
two smaller lingual cusps composed of the two lingual lobes.
lingual cusp - CORRECT ANSWER✔✔Similar to mandibular first premolars, the less common
two-cusp type has a larger buccal cusp and a single smaller ____ ____.
pulp cavity - CORRECT ANSWER✔✔The ____ ___ of the three-cusp type shows three pointed
pulp horns.
occlusal surface - CORRECT ANSWER✔✔The lingual cusp or cusps, depending on the type, are
longer, causing less of the _____ _____ to be seen from the lingual view.
marginal ridge - CORRECT ANSWER✔✔From the proximal view, the mesial ____ _____ is
perpendicular or 90 degrees to the long axis of the tooth and there is no mesiolingual grooves
present.
central groove - CORRECT ANSWER✔✔On the three-cusp type, the cusps are separated by two
developmental grooves, a V-shaped ____ ____, and linear lingual groove.
